4. In a competitive examination, (+4)
marks are given for every correct
answer, (-2) marks are...
4. In a competitive examination, (+4)
marks are given for every correct
answer, (-2) marks are given for every
incorrect answer and 0 marks for not
attempting the question.
a) Ruchi scored 20 marks. If she
has got 12 correct answers, how
many questions has she attempted
incorrectly?
b) Rohit scored(-6 )marks in this test .Through he has got 7 correct answers .How many questions has he attempted incorrectly.
Answers: 3
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